Science, asked by mripu4rnikya, 1 year ago

Q- Give one example of:- positive work done negative work done zero work done

Answers

Answered by MPP
33
1. Positive work done- Dropping a ball, pushing a book, rolling a ball, pulling a chair 2. Negative work done- Throwing a ball, Applying breaks, Work done by frictional force when we push a table, Work done by buoyant force when an iron nail is sinking 3. Zero work done- When we pusha rigid wall, angle between force and displacement is 90

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